body .video_box {
  width: 100%;
  height: 40%;
  background: black;
  position: relative;
}
body .video_box .video {
  width: 100%;
  height: 100%;
}
body .video_box .mask {
  position: absolute;
  height: 100%;
  width: 100%;
  background: rgba(0, 0, 0, 0);
  top: 0;
}
body .video_box .mask .startplay {
  height: 50px;
  width: 50px;
  font-size: 50px;
  color: white;
}
body .video_box .mask .to_pre {
  position: absolute;
  height: 50px;
  width: 50px;
  left: 2%;
  top: 0px;
  font-size: 30px;
  color: white;
}
body .wrap {
  height: 60%;
  width: 380px;
  padding-top: 5%;
}
body .wrap .box_1 {
  width: 100%;
  height: 80px;
  border-bottom: 1px solid #aaaa;
}
body .wrap .box_1 p {
  margin-top: 10px;
  height: 25px;
}
body .wrap .box_1 p .time_m {
  margin-left: 20px;
}
body .wrap .box_1 p .people {
  float: right;
  font-size: 15px;
  line-height: 25px;
}
body .wrap .box_2 {
  height: 100px;
  margin-top: 20px;
}
body .wrap .box_2 .box_2_l {
  height: 100px;
  width: 100px;
  border-radius: 50%;
}
body .wrap .box_2 .box_2_r {
  padding-left: 20px;
}
body .wrap .effect {
  margin-top: 15px;
}
body .wrap .box_3 {
  width: 100%;
  height: 80px;
  margin-top: 20px;
}
body .wrap .box_3 .box_3_l {
  width: 50%;
  height: 100%;
  border-right: 1px dashed #aaa;
}
body .wrap .box_3 .box_3_l .guizi {
  font-size: 25px;
  display: inline-block;
}
body .wrap .box_3 .box_3_r {
  width: 50%;
  height: 100%;
  padding-left: 20px;
}
body .wrap .box_3 .box_3_r .yaling {
  font-size: 30px;
  display: inline-block;
}
body .wrap .start {
  width: 80%;
  height: 50px;
  background: deepskyblue;
  margin: auto;
  line-height: 50px;
  text-align: center;
  border-radius: 25px;
  color: white;
  position: fixed;
  bottom: 5%;
  left: 50%;
  transform: translate(-50%);
}
